Finding the Fourth Proportional to 499,776.09, 749,663.49 and 162,816.20
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Solution
The fourth proportional to 499,776.09, 749,663.49 and 162,816.20 is: 244,224.08
Step by Step Solution
- Step 1: Write the proportion equation
499,776.09 : 749,663.49 = 162,816.20 : x - Step 2: Convert to fraction form
499,776.09/749,663.49 = 162,816.20/x - Step 3: Cross multiply
499,776.09x = 749,663.49 × 162,816.20 - Step 4: Simplify right side
499,776.09x = 122,057,356,972.22 - Step 5: Solve for x
x = 122,057,356,972.22/499,776.09 - Step 6: Final answer
x = 244,224.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.